COMPENSATION AND BENEFITS 15 15.4.2 HISTORY OF SHARE WARRANTS (BSA) BSA Issued BSA Issued BSA Issued BSA Issued BSA Issued July 2013 April 2014 July 2015 July 2016 July 2017 Date of shareholders’ meeting 02/05/2013 02/05/2013 06/29/2015 05/19/2016 05/19/2016 Date of allocation by the Board of 07/08/2013 04/09/2014 07/08/2015 07/26/2016 07/27/2017 Directors Total number of BSA authorized 2,334,959 2,334,959 856,000 680,456 Total number of BSA granted 328,000 33,000 121,000 205,000 165,000 Including those granted to Mr. Gilly — — — — — Including those granted to Mr. Wyzga — — 40,000 31,000 15,000 Start date for the exercise of the BSA 07/08/2013 04/09/2014 07/08/2015 07/26/2016 07/27/2017 BSA expiry date 07/07/2023 04/08/2024 07/07/2025 07/25/2023 07/26/2024 BSA exercise price €0.025 €0.025 €3.275 €8.08 €5.04 BSA subscription price €0.002 €0.002 €0.25 €0.65 €0.40 Number of shares subscribed 67,960 — — — — as of December 31, 2017 Total number of BSA canceled or — — — 47,000 — obsolete as of March 31, 2018 Total number of BSA outstanding 260,040 33,000 121,000 158,000 165,000 as of March 31, 2018 Total number of shares available 260,040 33,000 121,000 158,000 165,000 for subscription as of March 31, 2018 15.4.3 HISTORY OF STOCK OPTIONS (SO) SO Issued SO Issued SO Issued July 2017 December 2017 March 2018 Date of shareholders’ meeting 05/31/2017 05/31/2017 05/31/2017 Date of allocation by the Board of Directors 07/27/2017 12/19/2017 03/14/2018 Total number of SO authorized 977,022 Total number of SO granted 220,000 300,000 175,000 Including those granted to Mr. Gilly — — — Including those granted to Mr. Wyzga — — — Start date for the exercise of the SO (1) (1) (1) SO expiry date 07/26/2024 12/18/2024 03/14/2025 SO exercise price €5.040 €5.55 €6.98 Number of shares subscribed as of December 31, 2017 — — — Total number of SO canceled or obsolete as of March 31, 2018 220,000 — — Total number of SO outstanding as of March 31, 2018 — 300,000 175,000 Total number of shares available for subscription — 300,000 175,000 as of March 31, 2018 (1) 25% of the stock options are exercisable at the grant date; the remaining 75% will become exercisable at a rate of 1/36 per month during the 3 following years. 162– GENSIGHT BIOLOGICS – 2017 Registration Document